Two angles are supplementary. the first angle measures 60°. what's the measurement of the second angle?
a. 180°
b. 30°
c. 90°
d. 120°

D

Step-by-step explanation:

The sum of supplementary angles is 180°

To find the supplement of 60° subtract it from 180°, that is

second angle = 180° - 60° = 120° → D

Option D

120°

Step-by-step explanation:

By definition it is said that two A and B angles are supplementary if the sum of A and B is equal to 180 °

In this case we know that one of the angles is 60 °

This is: A = 60 °

So to find the second angle we propose the following equation:

Then we solve the equation for B.

So the second angle is 120 °

The answer is option D

the f

last graph i believe

step-by-step explanation:

worked it out i believe

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